Johnson Controls A421AET-01 Temperature Control 322838-752 Enhances safety by preventing refrigerant

Enhances safety by preventing refrigerant leakage through old

C) above the setpoint

and Quaker gas furnaces

Technical FAQ Is the AL-190 compatible with 1/8" NPT fittings

Silicon nitride construction provides a faster heat-up time and a longer operational lifespan than standard carbide igniters

Johnson Controls A421AET-01 Temperature Control 322838-752 Enhances safety by preventing refrigerantThe Johnson Controls A421AET 01 is a line voltage electronic temperature control designed for versatile HVACR applications, providing a reliable alternative to traditional electromechanical thermostats. Operating on 120 240 VAC, this SPDT controller features a broad setpoint range of 40 to 212F, making it ideal for both refrigeration and heating logic. Built with a NEMA 1 enclosure for surface mounting, the unit includes a high visibility front panel